GIVING BRAINIEST Which is the better buy??

A. a pack of 4 t-shirts for $2.24

B. an 8 pack of t-shirts for $4.24

C. a 6 pack of t-shirts for $3.12

D. a 2 pack of t-shirts for $1.10

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem